National Museum of Nuclear Science & History
Helen Warren worked for the Edenfield Electric Company.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
John Snoday was a staff worker at Los Alamos during the Manhattan Project.
J. A. McCormick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
